Fresenius Medical Care 2008K2 Troubleshooting Manual page 421

b) Figure below, remove the UF Pump's output (TOP) tubing from the location shown!
c) Looking at the UF Pump's vacant OUTPUT nozzle, TWO (2) possible scenarios:
1) IF (and ONLY if) no fluid from the UF Pump: Reattach the tubing then see procedure number
FIL- 2.0.2 (page 418).
2) IF you see fluid output: See parts a AND b below:
a) Call debug screen 0.
b) Per the Figure below, WITHOUT LOOKING AWAY, watch the UF Pump's 'dot' for ONE (1)
FULL minute. Does it EVER BLINK between white and blue?
Yes
No The UF 'dot' does NOT blink! Fluid from the UF Pump indicates bad or incorrectly
installed internal seals/springs OR the pump is upside down!
The UF 'dot' blinks! The Actuator-Test Board may be bad!
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 417